BATTERY MODULE ASSEMBLY ON FRONT SURFACE OF WHICH COMMUNICATION TERMINAL OF BMS IS PROTRUDINGLY FORMED

Disclosed herein is a battery module assembly having unit modules, each of which is configured to have a structure in which unit cells are loaded on a cartridge in a state in which the unit cells are electrically connected to each other via busbars, the battery module assembly including two or more sub-modules arranged in a lateral direction while being spaced apart from each other, each of the sub-modules including two or more unit modules that are stacked in a height direction from the ground, a battery management system (BMS) mounted in a space defined between the sub-modules, the BMS being provided at one side thereof with communication terminals, a base plate on which the sub-modules and the BMS are loaded, side cover plates mounted at sides of the sub-modules, a top cover plate loaded on top surfaces of the sub-modules, the top cover plate being coupled to the sub-modules and to the side cover plates by fastening, and a front cover plate mounted at fronts of the sub-modules, the front cover plate being coupled to the sub-modules, the base plate, and the side cover plates, the front cover plate being provided with through holes, through which the communication terminals are exposed.